How to properly maintain the Thermostat Housing on a 4.0L SOHC engine in a Ford Mustang?

The first step to work on a 4.0L SOHC engine thermostat housing requires complete cooling system drainage. Disconnect both the air cleaner outlet pipe as well as the throttle body for service. The technician must disconnect the engine coolant temperature (ECT) sensor electrical connector followed by removal of the upper radiator hose and heater inlet hose and bypass hose from the thermostat housing. Move these components to the side. The three lower bolts securing the thermostat housing should be removed for housing replacement while installation requires tightening to 12 Nm (9 lb-ft). To complete the service conclude the procedure by filling the cooling system and bleaching it properly.

How to service the thermostat housing on a 4.0L SOHC engine on Ford Mustang?

The service process for a 4.0L SOHC engine thermostat housing begins with draining the cooling system fluid. The first step should be to remove the air cleaner outlet pipe together with the throttle body. Start the process by disconnecting the engine coolant temperature sensor electrical connector before removing the upper radiator hose and heater inlet hose and bypass hose from the thermostat housing which needs to be set aside. Service the 4.0L SOHC engine thermostat housing by removing its three lower bolts and then taking out the housing while tightening the replacement unit to 12 Nm (9 ft. lbs.) when installing it. Put an end to the removal process by refilling and bled the cooling system.

OEM Ford Mustang Thermostat Housing

Engine Coolant Thermostat Housing

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24 Thermostat Housings found

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Ford Mustang Thermostat Housing, Lower Part Number: GL2Z-8592-A
$43.17 MSRP: $62.83
You Save: $19.66 (32%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Lower Housing
- Position: Lower
- Replaces: 1L2Z-8592-BB, RH-148, RH-93
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang Thermostat Housing Part Number: BR3Z-8A586-N
$176.33 MSRP: $280.00
You Save: $103.67 (38%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Thermostat Unit
- Replaces: BR3Z-8A586-K, BR3Z-8A586-L, BR3Z-8A586-M, BR3Z-8592-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2024 Ford Mustang | Boss 302, Bullitt, Dark Horse, Dark Horse Premium, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500 | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Mustang Water Outlet Part Number: FR3Z-8592-A
$36.12 MSRP: $51.67
You Save: $15.55 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Outlet Flange; Thermostat Housing; Radiator Hose; Connector Pipe; Connection - Water Outlet
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2024 Ford Mustang | Bullitt, Dark Horse, Dark Horse Premium, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500 | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Mustang Thermostat Housing, Upper Part Number: 5R3Z-8592-BA
$52.10 MSRP: $75.83
You Save: $23.73 (32%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Upper; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet; Connection - Water Outlet
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang Thermostat Housing Part Number: FOZZ-8592-B
$123.76 MSRP: $186.67
You Save: $62.91 (34%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing; Thermostat Housing Cover; Connection - Water Outlet; Water Outlet
- Replaces: FOZZ-8592-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1995 Ford Mustang | GT, GTS, SVT Cobra | 8 Cyl 5.0 L GAS
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Ford Mustang Water Outlet Part Number: BR3Z-8592-P
$35.50 MSRP: $51.67
You Save: $16.17 (32%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Outlet Flange; Engine Coolant Water Outlet; Radiator Hose
- Replaces: BR3Z-8592-C, RH-197
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | Boss 302, GT | 8 Cyl 5.0 L GAS
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Ford Mustang Thermostat Housing Part Number: F6ZZ-8592-BA
$48.93 MSRP: $70.00
You Save: $21.07 (31%)
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Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover; Connector; Connection - Water Outlet
- Replaced by: F6ZZ-8592-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004, 1996-2001 Ford Mustang | GT, GT Bullitt, Mach 1, SVT Cobra, SVT Cobra 10th Anniversary | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Housing Part Number: BL3Z-8A586-G
$140.84 MSRP: $205.00
You Save: $64.16 (32%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Thermostat Unit
- Replaces: BL3Z-8592-C, RH-211, BL3Z-8A586-B, BR3Z-8592-B, RH-244
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford Mustang | Base, V6 | 6 Cyl 3.7 L GAS
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Ford Mustang Water Outlet, Upper Part Number: BR3Z-8592-Q
$166.32 MSRP: $256.67
You Save: $90.35 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover; Upper Inlet Flange.; Thermostat Outlet; Outlet Tube; Connection - Water Outlet; Thermostat Housing
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Ford Mustang | V6 | 6 Cyl 3.7 L GAS
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Ford Mustang Thermostat Housing Part Number: FOZZ-8592-A
$123.76 MSRP: $186.67
You Save: $62.91 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover
- Manufacturer Note: CONNECTOR
- Replaced by: FOZZ-8592-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1990 Ford Mustang | GT, GT-350 20th Anniversary, L, LX | 8 Cyl 5.0 L GAS
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Ford Mustang Thermostat Housing, Front Part Number: KR3Z-8592-B
$245.16 MSRP: $360.00
You Save: $114.84 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Front, Lower; Water Manifold; Water Outlet; Water Inlet
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2022 Ford Mustang | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Mustang Thermostat Housing, Upper Part Number: KR3Z-8592-A
$266.73 MSRP: $391.67
You Save: $124.94 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connection - Water Inlet; Engine Coolant Thermostat Housing, Upper; Thermostat Housing Cover; Water Inlet; Inlet Pipe
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2022 Ford Mustang | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Mustang Thermostat Housing, Upper Part Number: 7R3Z-8592-A
$25.85 MSRP: $36.67
You Save: $10.82 (30%)
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Upper; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet; Thermostat Outlet; Upper Housing; Connection - Water Outlet
- Position: Upper
- Replaces: 6L2Z-8592-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Ford Mustang | Bullitt, GT, Shelby GT | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Housing, Lower Part Number: 4R3Z-8592-AA
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Connection - Water Outlet
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Ford Mustang | GT | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Housing, Lower Part Number: 7R3Z-8592-D
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Lower Housing; Connection - Water Outlet
- Position: Lower
- Replaces: RH-173, 7R3Z-8592-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2014 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Mustang Water Outlet Part Number: AR3Z-8A586-B
Product Specifications
- Other Name: Connection Water Outlet; Thermostat Unit; Connection - Water Outlet
- Replaces: 7R3Z-8A586-C, 8R3Z-8A586-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2012 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS
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Ford Mustang Thermostat Housing Part Number: DR3Z-8592-A
Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover; Connection - Water Outlet
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2014 Ford Mustang | Shelby GT500 | 8 Cyl 5.8 L GAS
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Ford Mustang Thermostat Housing Part Number: F6ZZ-8592-C
Product Specifications
- Other Name: Connection - Water Outlet; Engine Coolant Thermostat Housing Cover; Thermostat Housing Cover; Outlet Assembly; Water Outlet
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2004 Ford Mustang | GT, GT Bullitt | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Housing Part Number: XR3Z-8592-AA
Product Specifications
- Other Name: Connection - Water Outlet; Engine Coolant Thermostat Housing; Thermostat Housing Cover
- Manufacturer Note: CONNECTOR
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2004 Ford Mustang | Base | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS
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Ford Mustang Thermostat Housing, Upper Part Number: 7R3Z-8592-B
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Upper; Thermostat Housing Cover; Thermostat Cover; Water Outlet; Upper Housing; Connection - Water Outlet
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2014 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS

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Ford Mustang Thermostat Housing

OEM Thermostat Housing boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Thermostat Housing with long life and a perfect fit. Come to our website and find genuine Ford Mustang parts. We keep a wide inventory of OEM Mustang parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

This is a Thermostat Housing which is a part that can premier be described as the epitome of service and durability in the Ford Mustang series. Located within the car to contain the thermostat, this part controls the flow of the coolant to avoid having the engine over heat or over cool. The Thermostat Housing has evolved throughout the years to meet the changes in the evolution of the Mustang as well as in the engineering of motors and engines. Its versatility covers the multiple generations of the Ford Mustang; thus, it constitutes one of the cores of the continuative engine requirements for the model. The Thermostat Housing is undeniably crucial for the Ford Mustang model since it contributes to the improved functionality and protection of the car. Due to a wide application of characteristics like high-quality material, and accurate design, the Thermostat Housing is notable among other products on the automotive market, which help the engine work within correct temperature parameters. Not only it raises the efficiency but also increases the durability of the engine of the car making it a wise choice for those who own a Mustang. In sum, Thermostat Housing is typical of the brand's quality and advance in engineering and therefore apt for those who value the speed and tradition of Ford Mustang.

Ford Mustang Thermostat Housing Parts and Q&A

Thermostat Housing, Upper
7R3Z-8592-A
Q: How to properly maintain the Thermostat Housing on a 4.0L SOHC engine in a Ford Mustang?
A:
The first step to work on a 4.0L SOHC engine thermostat housing requires complete cooling system drainage. Disconnect both the air cleaner outlet pipe as well as the Throttle Body for service. The technician must disconnect the engine coolant temperature (ECT) sensor electrical connector followed by removal of the upper radiator hose and heater inlet hose and bypass hose from the thermostat housing. Move these components to the side. The three lower bolts securing the thermostat housing should be removed for housing replacement while installation requires tightening to 12 Nm (9 lb-ft). To complete the service conclude the procedure by filling the cooling system and bleaching it properly.
Thermostat Housing, Upper
F5RZ-8K528-CC
Q: How to service the thermostat housing on a 4.0L SOHC engine on Ford Mustang?
A:
The service process for a 4.0L SOHC engine thermostat housing begins with draining the cooling system fluid. The first step should be to remove the air cleaner outlet pipe together with the Throttle Body. Start the process by disconnecting the engine Coolant Temperature Sensor electrical connector before removing the upper radiator hose and heater inlet hose and bypass hose from the thermostat housing which needs to be set aside. Service the 4.0L SOHC engine thermostat housing by removing its three lower bolts and then taking out the housing while tightening the replacement unit to 12 Nm (9 ft. lbs.) when installing it. Put an end to the removal process by refilling and bled the cooling system.